One way to customize the PDF output generated by the DITA Map PDF - based on XSL-FO transformation scenario is to create
a dedicated folder to store customized files. With this approach, you will copy the contents
of the built-in customization directory to a new directory where you can customize the files
according to your needs and reference the new directory using the
customization.dir parameter in the transformation scenario. The biggest
advantage of this method is that the contents of your customization directory will remain
unaffected when the DITA-OT is upgraded.
Follow this procedure to create a customization directory: